Network bootstrap procedure reflecting edge stability, betweenness, closeness, expected influence, and strength (A). Centrality of domains in the network (B). SV – supervision, WR – work pride and internal recognition, WI – level of work interest, IS – intrinsic satisfaction, IN – incentives, PY – pay, JR – job roles, RA – resource availability, HS – health and safety, SE – self-actualisation and esteem, PL – personal life issues, WF – working conditions and facilities, SR – social recognition, PV – personal values, IR – work-related interpersonal relationships, BN – basic needs.